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Finding the Fourth Proportional to 267,801.28, 401,701.48 and 109,918.50

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Solution

The fourth proportional to 267,801.28, 401,701.48 and 109,918.50 is: 164,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,801.28 : 401,701.48 = 109,918.50 : x
  2. Step 2: Convert to fraction form
    267,801.28/401,701.48 = 109,918.50/x
  3. Step 3: Cross multiply
    267,801.28x = 401,701.48 × 109,918.50
  4. Step 4: Simplify right side
    267,801.28x = 44,154,424,129.38
  5. Step 5: Solve for x
    x = 44,154,424,129.38/267,801.28
  6. Step 6: Final answer
    x = 164,877.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.